John Mcpherson — 1940 US Census Record

Model Tree available

1940 United States Federal Census · Polk-County, Iowa

Our Model Tree links this John Mcpherson across the 1920, 1930 and 1940 US Censuses in Polk-County, Iowa (XGBoost, ~Confirmed), with identified parents Archie & Harriett — first a head (b.~1914), then head of a 4-person household.

Age 26 b. ~1914 Male Head Born: Iowa Married

1940 Census Record Details

Census Year	1940
Location	Polk-County, Iowa
Surname	McPherson
Given Name	John
Relationship to Head	head
Sex	M
Color / Race	White
Age	26
Marital Status	Married
Birthplace	Iowa
1935 Residence (City)	Des Moines City
1935 Residence (County)	Polk
Additional Details
Occupation	Truck Driver
Industry	Wholesale Groceries
Class of Worker	PW
Hours Worked	42
Income (1939)	1200
Highest Grade	H 3
1935 Residence	Iowa
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa
Occupation	Truck Driver
Township / Ward	Des Moines City
Est. Birth Year	~1914

Household Members

Census records only state relationship to the household head. Pairwise kinship is derived (~90–95% accurate), not recorded. Step/blended families and boarders can break it.

4 people recorded at the same address in the 1940 census.

Name	Relation to head	Relative to John	Age	Birth yr
John Mcpherson	Son	—	4	~1936
Lavonne Mcpherson	Spouse	—	23	~1917
John Mcpherson	Head	—	26	~1914
David Mcpherson	Son	—	1	~1939

Census Appearances

1920

Polk, Iowa

Son, age 5

Polk, Iowa · implied b. ~1915 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	McPherson
Given Name	John
Relationship to Head	Son
Sex	M
Color / Race	White
Age	5
Marital Status	Single
Birthplace	Iowa
Father's Birthplace	Iowa
Mother's Birthplace	Iowa
Speaks English	Yes
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

1930

Polk, Iowa

Son, age 16

Polk, Iowa · implied b. ~1914 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	McPherson
Given Name	John E.
Relationship to Head	son
Sex	M
Color / Race	White
Age	16
Marital Status	Single
Birthplace	Iowa
Father's Birthplace	Iowa
Mother's Birthplace	Iowa
Occupation	none
Can Read/Write	Yes
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

1940

Polk-County, Iowa

Head, age 26

Polk-County, Iowa · implied b. ~1914 — 4 household members

Surname	McPherson
Given Name	John
Relationship to Head	head
Sex	M
Color / Race	White
Age	26
Marital Status	Married
Birthplace	Iowa
1935 Residence (City)	Des Moines City
1935 Residence (County)	Polk
Occupation	Truck Driver
Industry	Wholesale Groceries
Class of Worker	PW
Hours Worked	42
Income (1939)	1200
Highest Grade	H 3
1935 Residence	Iowa
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

Model Tree

Model Tree available

Our Model Tree links John Mcpherson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Archie Mcpherson (~0.92 confidence) and mother Harriett Mcpherson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.

Show:

Gen 1 Parents confidence ≈ 0.92

Father

Archie Mcpherson

b. ~1890

Source father

● Household · direct · ~0.92

Mother

Harriett Mcpherson

b. ~1894

Source mother

● Household · direct · ~0.92

This person

Anchor record

John Mcpherson

Head · 1940 · age 26 · b. ~1914 · Iowa

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Confirmed / household (~0.90+) Probable / derived (~0.65–0.89) Candidate (<0.65, unverified)

Original Census Page

1940 US Federal Census — Polk-County, Iowa Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01196-00146)

Line	Name	Age	Relation	Occupation	Birthplace
1	Eva Cox	63	wife	—	Ohio
2	Raymond Bailey	38	head	Finisher	Iowa
3	Alice Bailey	36	wife	—	Iowa
4	Muriel Bailey	13	daughter	—	Iowa
5	Thomas Bailey	9	son	—	Iowa
6	Bonnie Bailey	4	daughter	—	Iowa
7	Raymond Bailey	2	son	—	Iowa
8	John H Calhoun	30	head	Mechanic	Iowa
9	Nona Calhoun	28	wife	—	Illinois
10	Jo Ann Calhoun	4	daughter	—	Iowa
11	John R Calhoun	2	son	—	Iowa
12	Ray Doop	39	head	Salesman	Iowa
13	Mildred Doop	36	wife	Registered Nurse	Iowa
14	Gerald Doop	13	son	—	Iowa
15	Ray Doop	11	son	—	Iowa
16	James Doop	2	son	—	Iowa
17	Frank M Scalise	43	head	Ornamental Iron Worker	Italy
18	Madeline Scalise	36	wife	—	Italy
19	Michael Scalise	16	son	—	Iowa
20	Carl Scalise	14	son	—	Iowa
21	Mary Scalise	11	daughter	—	Iowa
22	Gloria Scalise	8	daughter	—	Iowa
23	Anna Ladorna	57	sister	Power Machine Operator	Italy
24	Seward Reese	41	head	Mechanic	Nebraska
25	Elvera Reese	37	wife	—	Iowa
26	James Reese	9	son	—	Iowa
27	Dora D Burns	48	head	Registered Nurse	Tennessee
28	Herbert A Hensler	36	head	Record Clerk	Iowa
29	Cecile Hensler	32	wife	—	Iowa
30	Lawrence Brainard	31	head	Teacher	Illinois
31	Jane Brainard	26	wife	—	Illinois
32	Robert Brainard	2	son	—	Iowa
33	John Mcpherson THIS PERSON	26	head	Truck Driver	Iowa
34	Lavonne Mcpherson	23	wife	—	Iowa
35	John Mcpherson	4	son	—	Iowa
36	David Mcpherson	1	son	—	Iowa
37	Henry Martinson	59	head	Carpenter	Nebraska
38	Alice Martinson	54	wife	—	Sweden
39	Clifford Gray	41	head	Painter	Missouri
40	Goldie Gray	40	wife	—	Missouri

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Pedigree Summary

John

Gen 1 · 2 parents ~0.92

Max depth 4 (1900–1950 window)

About This Record & Model Tree

This record was independently indexed by YourRoots from the 1940 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.

Source: National Archives and Records Administration (NARA)

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